Today in WW II: 15 Aug 1940 Peak day for Luftwaffe sorties against England, including bombing in the North of Britain. More 
15 Aug 1942 Operation Pedestal, a last ditch attempt to re-supply Malta and avoid surrender to a German blockade, succeeds as tanker SS Ohio and other convoy ships reach Grand Harbour port.
15 Aug 1943 In the Aleutians, US troops land on Kiska Island to retake it from the Japanese ([5-24 Aug].
15 Aug 1944 Operation Dragoon [aka Anvil] invasion of Southern France.
15 Aug 1945 Japanese surrender, remembered as VJ Day (Victory over Japan) in the U.K. [14 August east of the date line, 15 August in Japan].
Visit the Olive-Drab.com World War II Timeline for day-by-day events 1939-1945! See also WW2 Books.

40mm Gun Motor Carriage, M19

The self-propelled M19 40mm Gun Motor Carriage consisted of two turret-mounted 40mm Bofors guns on a lengthened M24 Chaffee light tank chassis. It replaced the halftrack mounted AAA of WW II and was itself replaced by the M-42 Duster in the 1950s.

The M19 twin 40mm Gun Motor Carriage was standardized 11 May 1944. Production by Cadillac and Massey-Harris began in April 1945, too late for material participation in World War II. By the end of 1945 production, 300 units had been produced.

The M19 had twin Cadillac 44T24 110hp V8 engines, relocated behind the driver's compartment. The power-operated turret was mounted on the M19's rear deck. The Bofors guns were clip-fed with a 120rpm rate of fire. 252 rounds were carried by the M19 with an optional 320 more in the M28 ammunition trailer. A crew of six operated the M19.

Radio equipment and a 200-amp auxiliary generator were added to the M19, changing the designation to M19A1, recognizable by equipment blisters that interrupt the smooth, rounded lines of the original M19 turret. In 1948, remaining M19 GMCs were rebuilt as M19A1 units.

U.S. Army M19 Twin 40mm Gun Motor Carriage with M28 ammunition trailer, Korea, circa 1950
U.S. Army M19 Twin 40mm Gun Motor Carriage with M28 ammunition trailer, Korea, circa 1950.

U.S. Army M19 Twin 40mm Gun Motor Carriage, circa 1950
U.S. Army M19 Twin 40mm Gun Motor Carriage, circa 1950.

M-19A1 Twin 40mm Gun Carriage.  Photo: Courtesy of John Buckley. Thanks to Sam Berliner, III for correct ID
M-19A1 Twin 40mm Gun Carriage. Photo: Courtesy of John Buckley. Thanks to Sam Berliner, III for correct ID.

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